Added character set support to mod_auth_LDAP to allow it to convert

extended characters used in the user ID to UTF-8 before authenticating
against the LDAP directory. The new directive AuthLDAPCharsetConfig is
used to specify the config file that contains the character set conversion table.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@97910 13f79535-47bb-0310-9956-ffa450edef68